He had painted the ceiling and window and doorframes an aqua green, the walls eau-de-nil.

2011 Terry Pratchett, I Shall Wear Midnight.

Possibly the mauve one would look better,’ said Letitia, ‘although I have always been told that eau-de-nil is really my colour. By the way, could I make things up to you in some way by having you as my chief bridesmaid?